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Details
Burdock is a large, burr-producing herb that is a part of the sunflower family. Characterized by its enormous heart shaped leaves and towering stalks, burdock is commonly found throughout North America. The fresh or dried roots are collected and used in cooking, tincture making, and herbal tea blends. Known as "Gobo" in Japan, burdock root is a delicious food highly valued in Japan; it is often grated and included in ferments (Kimchi), or cooked as a main or side dish. Burdock is a biennial, taking two years to flower and set seed. The root can be harvested in the first year.
Burdock grows clusters of large, purple flowers in mid-summer. The fruit is covered in tiny hooked hairs or burrs, that often stick to animals and people upon contact. A robust and adaptable plant, burdock does well in any light and most soil types, although it does prefer a nitrogen-rich environment.
Michigan Seeds and Plants grown on our farm, Renegade Acres, in Howell, MI!
Certified Organic by Oregon Tilth.
Additional Info
| Botanical Name | Arctium minus |
|---|---|
| Life Cycle | Biennial |
| Min. Time to Germinate | 6 Days |
| Max. Time to Germinate | 14 Days |
| Depth to Sow Seeds | 1/2 in. |
| When to Sow | Indoors 2-4 weeks before last spring frost, Outdoors after all danger of spring frost is past, Outdoors in early spring, a month before the last spring frost |
| Growing Height | 4-6 ft. (1.2-1.8 m) |
| Plant Spacing | 15-18 in. (38-45 cm) |
| Hardiness | USDA Zone 4a: to -25F, USDA Zone 4b: to -20F, USDA Zone 5a: to -15F, USDA Zone 5b: to -10F, USDA Zone 6a: to -5F, USDA Zone 6b: to 0F, USDA Zone 7a: to 5F, USDA Zone 7b: to 10F, USDA Zone 8a: to 15F, USDA Zone 8b: to 20F, USDA Zone 9a: to 25F, USDA Zone 9b: to 30F, USDA Zone 10a: to 35F, USDA Zone 10b: to 40F |
| Sun Exposure | Full Sun, Sun to Partial Shade |
| Danger | Handling plant may cause skin irritation or allergic reaction |
| Bloom Color | Blue-Violet |
| Bloom Time | Late Summer/Early Fall, Mid-Fall, Mid-Summer |
| Other Details | This plant is attractive to bees, butterflies and/or birds |
| Soil pH Requirements | 6.1 to 6.5 (mildly acidic), 6.6 to 7.5 (neutral), 7.6 to 7.8 (mildly alkaline) |
| Days to Harvest | 60-70, 70-80, 80-90 |
| Propagation Methods | From seed; direct sow after last frost, From seed; direct sow outdoors in fall, From seed; sow indoors before last frost, From seed; stratify if sowing indoors, From seed; winter sow in vented containers, coldframe or unheated greenhouse |
| Seed Collecting | Allow pods to dry on plant; break open to collect seeds, Wear gloves to protect hands when handling seeds |
| Seeds Per Pack | 50 |
